Acoustic adjustment shelf



FIG. 1 is a front perspective view of an acoustic adjustment shelf,showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a cross-sectional view taken at line 8-8 in FIG. 2 ; and,

FIG. 9 is a cross-sectional view taken at line 9-9 in FIG. 2 .

CLAIM The ornamental design for an acoustic adjustment shelf, as shownand described.